Edit the component, or edit just this one

Props, visually

Select a Button. variant, size, and any other prop it declares show in the right panel. Switch default → outline on one instance; the others stay.

Edit scope

New switch at the top of the Style panel:

• Definition changes the component source, so every instance follows.

• Instance adds a class to just the element you selected.

No detached copies, no overrides layer — it's the same two things you'd do in code.